DICT.TW Dictionary Taiwan

 cir·cum·vo·lu·tion /sɝˌkʌmvəˈluʃən, ˌsɚ/
 旋轉,盤繞

 Cir·cum·vo·lu·tion n.
 1. The act of rolling round; the state of being rolled.
 2. A thing rolled round another.
 3. A roundabout procedure; a circumlocution.
    He had neither time nor temper for sentimental circumvolutions.   --Beaconsfield.
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 circumvolution
      n : the act of turning or winding or folding around a central
          axis